Rule 603(a): OTC Trades in NMS stocks

Rule 603(a) of SEC Regulation NMS provides that any national securities exchange, national securities association, broker or dealer that distributes information with respect to quotations for or transactions in an NMS stock to a securities information processor, broker, dealer or other persons shall do so on terms that are not unreasonably discriminatory. In adopting Regulation NMS, the SEC stated that “adopted Rule 603(a) prohibits [a SRO] or broker-dealer from transmitting data to a vendor or user any sooner than it transmits the data to a Network processor.” Read More…

Quotation System for OTC Equity Securities

FINRA is soliciting comment on a proposal to provide for a FINRA-sponsored inter-dealer quotation facility for all OTC equity securities.  Over the past several years, there have been instances in which market-wide trading halts for all OTC equity securities have been put into effect by FINRA out of concern regarding a substantial lack of transparency due to limited quotation information for these securities.

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